Polar M400 vs. Sony SmartWatch 3 vs. Fitbit One vs. ASUS ZenWatch 3 vs. Casio G-Shock GBA800

 
M400
SmartWatch 3
One
ZenWatch 3
G-Shock GBA800
 PolarM400Remove Buy NowSonySmartWatch 3Remove Buy NowFitbitOneRemove Buy NowASUSZenWatch 3Remove Buy NowCasioG-Shock GBA800Remove Buy Now

Basic Info

Suggested Price$200$250$100$229$120
Release20142014201220172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration8 hours to 30 days2 days10-14 days48 hours2 years
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/an/a
Macn/a
Windowsn/a

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320n/a400 x 400
Sizen/a1.6 inchesn/a1.39 inches
Touch
Typen/aTFT LCDOLEDAMOLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP68Splast Resistant20 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wearn/aAndroid Wear 2
Apps
Music

All Wearables